Wow! You must see this silver coloured ring, it has a zig zag design paved with simulated diamonds on one side. Looks really pretty on.  It is crafted from rhodium ion plated over brass base metal. It starts with a internal diameter of 17 mm but it adjustable. 
 
Specifications
Size: Adjustable 
Inside Diameter: 17 mm 
Stone Type: Simulated Diamond 
Stone Size: 1 mm each 
Base Material: Brass 
Finish: Rhodium Ion Plated 
Metal Colour: Silver